Tidy wrecking mode: white on white
Masking. Step 1 use stickers as mask stencils. Step 2 Paint one colour over the round stickers and decide to just put the second acrylic paint directly onto page. Step 3 show all the family how using paint directly worked better. Step 4 take stickers away and show the white effect. Step 5 smile smuggly when family tells you what a great idea you had.